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1 /* |
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2 * ==================================================================== |
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3 * Licensed to the Apache Software Foundation (ASF) under one |
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4 * or more contributor license agreements. See the NOTICE file |
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5 * distributed with this work for additional information |
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6 * regarding copyright ownership. The ASF licenses this file |
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7 * to you under the Apache License, Version 2.0 (the |
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8 * "License"); you may not use this file except in compliance |
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9 * with the License. You may obtain a copy of the License at |
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10 * |
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11 * http://www.apache.org/licenses/LICENSE-2.0 |
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12 * |
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13 * Unless required by applicable law or agreed to in writing, |
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14 * software distributed under the License is distributed on an |
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15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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16 * KIND, either express or implied. See the License for the |
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17 * specific language governing permissions and limitations |
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18 * under the License. |
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19 * ==================================================================== |
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20 * |
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21 * This software consists of voluntary contributions made by many |
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22 * individuals on behalf of the Apache Software Foundation. For more |
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23 * information on the Apache Software Foundation, please see |
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24 * <http://www.apache.org/>. |
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25 * |
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26 */ |
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27 |
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28 package ch.boye.httpclientandroidlib.entity; |
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29 |
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30 import java.io.IOException; |
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31 import java.io.InputStream; |
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32 import java.io.OutputStream; |
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33 |
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34 /** |
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35 * Entity that delegates the process of content generation |
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36 * to a {@link ContentProducer}. |
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37 * |
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38 * @since 4.0 |
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39 */ |
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40 public class EntityTemplate extends AbstractHttpEntity { |
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41 |
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42 private final ContentProducer contentproducer; |
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43 |
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44 public EntityTemplate(final ContentProducer contentproducer) { |
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45 super(); |
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46 if (contentproducer == null) { |
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47 throw new IllegalArgumentException("Content producer may not be null"); |
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48 } |
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49 this.contentproducer = contentproducer; |
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50 } |
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51 |
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52 public long getContentLength() { |
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53 return -1; |
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54 } |
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55 |
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56 public InputStream getContent() { |
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57 throw new UnsupportedOperationException("Entity template does not implement getContent()"); |
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58 } |
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59 |
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60 public boolean isRepeatable() { |
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61 return true; |
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62 } |
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63 |
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64 public void writeTo(final OutputStream outstream) throws IOException { |
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65 if (outstream == null) { |
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66 throw new IllegalArgumentException("Output stream may not be null"); |
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67 } |
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68 this.contentproducer.writeTo(outstream); |
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69 } |
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70 |
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71 public boolean isStreaming() { |
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72 return false; |
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73 } |
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74 |
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75 } |